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NEWS for Ruby 2
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ruby 1
. 6 feature (11)
検索結果
先頭5件
-
IO
# each(limit , chomp: false) -> Enumerator (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(limit , chomp: false) {|line| . . . } -> self (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(rs = $ / , chomp: false) -> Enumerator (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(rs = $ / , chomp: false) {|line| . . . } -> self (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(rs , limit , chomp: false) -> Enumerator (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(rs , limit , chomp: false) {|line| . . . } -> self (21130.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,......t[例: chomp = true][ruby]{
IO.write("testfile", "This is line one\nThis is line two\nThis is line three\nAnd so on...")
f = File.new("testfile")
f.each(chomp: true) { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one"
# "2: This is line two"
# "3: This is line three"
# "4: And so on..."
/... -
IO
# each(limit) -> Enumerator (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
IO
# each(limit) {|line| . . . } -> self (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
IO
# each(rs = $ / ) -> Enumerator (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
IO
# each(rs = $ / ) {|line| . . . } -> self (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
IO
# each(rs , limit) -> Enumerator (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
IO
# each(rs , limit) {|line| . . . } -> self (21124.0) -
IO の現在位置から 1 行ずつ文字列として読み込み、それを引数として 与えられたブロックを実行します。
...: 引数なし][ruby]{
IO.write("testfile", "This is line one,\nThis is line two,\nThis is line three,\nAnd so on...")
f = File.new("testfile")
f.each { |line| p "#{f.lineno}: #{line}" }
# => "1: This is line one,\n"
# "2: This is line two,\n"
# "3: This is line three,\n"
# "4: And so on..."
//}
//e......ト数に 10 を指定][ruby]{
IO.write("testfile", "This is line one,This is line two,This is line three,And so on...")
f = File.new("testfile")
f.each(",", 10) { |line| p "#{f.lineno}: #{line}" }
# => "0: This is li"
# "1: ne one,"
# "1: This is li"
# "2: ne two,"
# "2: This is li"
# "3: ne three,... -
StringIO
# each(rs = $ / ) -> Enumerator (21122.0) -
自身から 1 行ずつ読み込み、それを引数として与えられたブロックを実行します。
...連続する改行を行の区切りとみなします(パラグラフモード)。
@raise IOError 自身が読み取り不可なら発生します。
//emlist[例][ruby]{
require "stringio"
a = StringIO.new("hoge\nfoo\n")
a.each{|l| p l }
#=> "hoge\n"
# "foo\n"
//}
@see $/
@see IO#each_line... -
StringIO
# each(rs = $ / ) {|line| . . . } -> self (21122.0) -
自身から 1 行ずつ読み込み、それを引数として与えられたブロックを実行します。
...連続する改行を行の区切りとみなします(パラグラフモード)。
@raise IOError 自身が読み取り不可なら発生します。
//emlist[例][ruby]{
require "stringio"
a = StringIO.new("hoge\nfoo\n")
a.each{|l| p l }
#=> "hoge\n"
# "foo\n"
//}
@see $/
@see IO#each_line... -
Zlib
:: GzipReader # each(rs = $ / ) -> Enumerator (18198.0) -
IO クラスの同名メソッドIO#each, IO#each_lineと同じです。
...IO クラスの同名メソッドIO#each, IO#each_lineと同じです。
但し、gzip ファイル中に
エラーがあった場合 Zlib::Error 例外や
Zlib::GzipFile::Error 例外が発生します。
gzip ファイルのフッターの処理に注意して下さい。
gzip ファイルの......照
require 'zlib'
=begin
# hoge.gz がない場合は下記で作成できる。
Zlib::GzipWriter.open('hoge.gz') { |gz|
gz.puts 'hoge'
gz.puts 'fuga'
}
=end
Zlib::GzipReader.open('hoge.gz') { |gz|
gz.each { |line|
puts line
}
}
@see IO#each, IO#each_line... -
Zlib
:: GzipReader # each(rs = $ / ) {|line| . . . } -> self (18198.0) -
IO クラスの同名メソッドIO#each, IO#each_lineと同じです。
...IO クラスの同名メソッドIO#each, IO#each_lineと同じです。
但し、gzip ファイル中に
エラーがあった場合 Zlib::Error 例外や
Zlib::GzipFile::Error 例外が発生します。
gzip ファイルのフッターの処理に注意して下さい。
gzip ファイルの......照
require 'zlib'
=begin
# hoge.gz がない場合は下記で作成できる。
Zlib::GzipWriter.open('hoge.gz') { |gz|
gz.puts 'hoge'
gz.puts 'fuga'
}
=end
Zlib::GzipReader.open('hoge.gz') { |gz|
gz.each { |line|
puts line
}
}
@see IO#each, IO#each_line...